Respiratory System

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Across
  1. 2. Small sacks where gas exchange occurs
  2. 4. Can breath and eat through
  3. 5. Complex series of chemical reactions in a cell
  4. 7. Hair like extensions in nasal cavity
  5. 10. Fold of connective tissue that produces voice
  6. 11. Where air enters the body
  7. 12. What the body breathes in for life
  8. 13. Throat
Down
  1. 1. Large dome-shaped muscle that helps you breath
  2. 3. Main organs of the respiratory system
  3. 6. Windpipe, feels like tube, ridges
  4. 7. dioxide What we breath out through respiration
  5. 8. Voice box, helps you speak
  6. 9. Passages that direct air to the lungs